Overview
          261
                  Total Population
                45.9
                  Median age
                58.24%
                  Female population %
                71.7:100
                  Gender ratio (M:F)
                25-29 years
                  Largest age group
                45.0
                  Total dependency ratio
                White
                  Largest racial group
                Zero
                  Hispanic population
                Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Ulm's population is old compared to the rest of the country:
- The median age in Ulm is 45.9, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
 - Ulm's population under 18 was 14.94%, compared to the 22.51% nationwide.
 - Ulm's elderly or the senior population (over 65 age) was 21.07% as compared to 16.04% nationwide.
 - Of the total population in Ulm, 9.96% were under the age of 15, 23.75% aged 15 to 29, 45.21% aged 30 to 64, 17.62% aged 65 to 84, and 3.45% were 85 years of age and older.
 
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Gender
There are 43 more females than males in Ulm:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 58.24% females and 41.76% males in Ulm, AR.
 - The Ulm, AR gender ratio is 71.7:100 i.e. 71.7 men to 100 women (0.717).
 - For male population, the largest age group is 25-29 years with a population of 24.
 - For the female population, the largest age group is 50-54 years with a population of 27.
 
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Race / Ethnicity
Ulm's population is not that diverse:
- Racial distribution of Ulm population: 93.49% are White, 4.21% are Black or African American and 2.30% are multiracial.
 - Ulm's racial breakdown clearly shows that there is an absolute majority of White population in the town.
 - By ethnicity, Zero is Hispanic or Latino (of any race), and 261 (100% of the total population) is Non-Hispanic.
 - The largest racial group in Ulm is White with a population of 244 (93.49% of the total population).
 
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Year by year
Ulm's population has already reached its peak and is showing a trend of decline:
- The peak population was 214 in the year 2002
 - From 2000 to 2010, Ulm's population decreased by 39 (18.48%), as compared to the national growth of 9.63%.
 - From 2010 to 2020, Ulm's population increased by 2 (1.16%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
 - Between the year 2000 and 2022, Ulm's population was lowest in year 2018 at 156.
 
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References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates
 - U.S. Census Bureau Population Estimates Population Estimates Program (PEP)